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Office LTSC 2021 will reach end of support on October 13, 2026. After this date, Microsoft will no longer provide technical support, bug fixes, or security updates for this product. This may increase your organization's exposure to security risks and could impact compliance requirements.
To remain in a supported environment, begin upgrading to Microsoft 365 Apps now. For organizations that are not yet ready to move to the cloud, the recommended upgrade path is to the most recent supported on premises version for commercial customers, Office LTSC 2024.
Resources to help you plan your upgrade:
- For an overview of how to move from Office LTSC 2021 to Microsoft 365 Apps, see Office upgrade guidance.
- For companies with over 150 licenses, consider engaging Microsoft FastTrack for support with moving to Microsoft 365.
- For guidance on Office 2021 for individuals, see End of Support for Office 2021.